The intention of this dataset is to depict bighorn sheep distribution within Idaho for use in conservation and land use planning. Specifically, this dataset depicts distribution of bighorn sheep throughout the state of Idaho. North of Interstate 84 in Idaho, distribution is comprised of the Rocky Mountain Bighorn Sheep trophy type. South of Interstate 84 in Idaho, distribution is comprised of the California Bighorn Sheep trophy type. Uses of this dataset may include: monitoring the status of bighorn sheep in Idaho, assessing the extent to which bighorn sheep distribution overlaps other species' distributions, evaluating the potential effects of land use changes on bighorn sheep populations, and analyzing habitat and space use by bighorn sheep.